The Stem and Diaphragm, cataloged under National Stock Number 4820-00-941-8590, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Humphrey Products Co. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-00-941-8590 |
| Primary Part Number | 2-70A |
| Item Name | Stem and Diaphragm |
| FSC / FSG | 4820 / 48 — No Item Name Available |
| Manufacturer | Humphrey Products Co |
| Status | ACTIVE |
| General Characteristics Item Description | BRASS,BASE OF DIAPHRAGM 2.250 IN. OD,0.125 IN. THK,0.375 IN. O/A H,1.781 IN. O/A LG OFSTEM,HOLE 0.147 IN. DIA,0.500 IN. DEEP DRILLED IN BASE OF STEM IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 2-70A PRIMARY | Humphrey Products Co (USA) |
NSN 4820-00-941-8590 is a Stem and Diaphragm, manufactured by Humphrey Products Co, classified under FSC 4820 (No Item Name Available). Status: active.
NSN 4820-00-941-8590 has 1 cross-referenced part number: 2-70A (Humphrey Products Co).
There are 3 known substitutes for 4820-00-941-8590: 4440-00-472-6064, 4820-00-494-9406, 4940-01-422-0104. Verify interchangeability with system specifications before substitution.
Key specifications for 2-70A: General Characteristics Item Description: BRASS,BASE OF DIAPHRAGM 2.250 IN. OD,0.125 IN. THK,0.375 IN. O/A H,1.781 IN. O/A LG OFSTEM,HOLE 0.147 IN. DIA,0.500 IN. DEEP DRILLED IN BASE OF STEM IN. 1 total characteristics are documented in the Federal Logistics Information System.